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  1. Home
  2. /Monitors
  3. /LG UltraGear 39GX950B vs Dell UltraSharp U5226KW

LG UltraGear 39GX950B vs Dell UltraSharp U5226KW

Updated Sep 2026 · Scored by the Let’s Compare Data Engine · How we score

For most buyers the LG UltraGear 39GX950B is the better pick — it scores 67/100 to the Dell UltraSharp U5226KW's 51, leading on Panel and Performance. Choose the Dell UltraSharp U5226KW instead if image quality and connectivity matter most to you, where it comes out ahead.

Verdict

Our overall take, at a glance

Key takeaways

  • LG UltraGear 39GX950B leads Dell UltraSharp U5226KW overall by 16 points (67 vs 51 out of 100).
  • LG UltraGear 39GX950B stands out on Panel Type: OLED (WOLED), Panel Pixel Density: 143 (11% more), Panel Screen-to-body ratio: 94.2%.
LG UltraGear 39GX950B leads overall
LG UltraGear 39GX950B
67
Dell UltraSharp U5226KW
51
Why it stands out
  • Panel Type: OLED (WOLED)
  • Panel Pixel Density: 143 (11% more)
  • Panel Screen-to-body ratio: 94.2%

Strengths Profile

Bigger shape = stronger. Whoever reaches further wins that category.

Winner by category for LG UltraGear 39GX950B vs Dell UltraSharp U5226KW
CategoryLG UltraGear 39GX950BDell UltraSharp U5226KWWinner
Panel6647LG UltraGear 39GX950B
Image Quality4456Dell UltraSharp U5226KW
Performance8614LG UltraGear 39GX950B
HDR1000LG UltraGear 39GX950B
Connectivity4177Dell UltraSharp U5226KW
Ergonomics8585Tie

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Sep 2026.

LG UltraGear 39GX950B

The LG UltraGear 39GX950B is a 39-inch curved OLED monitor designed for gamers and power users wanting an expansive, high-resolution canvas. It features a 5120 x 2160 resolution on an ultrawide 21:9 panel, coupled with a tight 1500R curvature for wrap-around immersion. The display delivers an ultra-fast 165Hz refresh rate alongside modern connectivity, including a 90W USB-C power delivery port.

Best for Ultrawide PC gaming demanding high refresh rates, low latency, and adaptive…Best for Single-cable workstation setups that require robust laptop charging alongside…
Pros
  • Extremely rapid 0.03ms response time that virtually eliminates ghosting and motion blur
  • High pixel density of 143 PPI offers sharp text and detailed graphics
  • Versatile USB-C port with 90W power delivery for clutter-free laptop integration
  • Excellent color performance with 99% DCI-P3 coverage and infinite OLED contrast ratios
Cons
  • Typical SDR brightness is capped at 335 nits, which may feel dim in highly illuminated spaces
Official
  • Official specificationsOfficial specifications detailing panel measurements, inputs, power delivery capacity, and refresh rates.
Video — reviews used (3)

Generated Sep 12, 2026

Dell UltraSharp U5226KW

The Dell UltraSharp U5226KW is a massive 51.5-inch curved ultrawide monitor tailored for professional creators and multitaskers. Built around an IPS Black panel, it delivers a high 6144 x 2560 resolution and a smooth 120Hz refresh rate. Additionally, it integrates a powerful USB-C hub capable of delivering 140W of power to connected notebooks.

Best for Replacing dual-monitor configurations with a single seamless workspaceBest for High-end productivity and color-accurate creative design with 99% DCI-P3…
Pros
  • IPS Black technology provides a high 2000:1 contrast ratio for deeper blacks
  • Extremely detailed 6144 x 2560 resolution with 129 PPI pixel density
  • Robust 140W USB-C power delivery to charge high-performance laptops
  • Fluid motion handling thanks to a 120Hz refresh rate and VRR support
Cons
  • At 12.96 kg without the stand, it is exceptionally heavy and requires robust mounting support
  • Massive physical width of 122.35 cm demands significant desk space
Official
  • Official specificationsOfficial specification sheet detailing panel performance, physical dimensions, and port selections.
Video — reviews used (3)

Generated Sep 12, 2026

Value for Money

Which is the better deal for the price

Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.

LG UltraGear 39GX950B

Check Price on Amazon

Dell UltraSharp U5226KW

Check Price on Amazon

Physical Comparison

Weigh them up, then compare real dimensions in 3D

6.8 kg12.96 kg
LG UltraGear 39GX950BDell UltraSharp U5226KW

Dell UltraSharp U5226KW is 6.16 kg (91%) heavier than LG UltraGear 39GX950B.

Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Panel

Feature
LG UltraGear 39GX950B
Dell UltraSharp U5226KW
Screen Size
39 in
51.5 in32% more
Resolution
5120 × 2160 px
6144 × 2560 px
Panel Type
Aspect Ratio
21:9
21:9
Pixel Density
14311% more
129
Curved
Yes
Yes
Curvature radius
1,500 mm
4,200 mm
Screen-to-body ratio
94%94%

Image Quality

Feature
LG UltraGear 39GX950B
Dell UltraSharp U5226KW
Brightness (typical)
335 nits
400 nits19% more
Contrast Ratio
1850000:1
2000:1
Color Gamut (DCI-P3)
99
99
Color Depth
10-bit
10-bit

Performance

Feature
LG UltraGear 39GX950B
Dell UltraSharp U5226KW
Refresh Rate
165 Hz38% more
120 Hz
Response Time (GtG)
0.03 ms99% less
5 ms
Adaptive Sync
AMD FreeSync Premium Pro, NVIDIA G-Sync Compatible, VESA AdaptiveSync
VRR

HDR

Feature
LG UltraGear 39GX950B
Dell UltraSharp U5226KW
HDR Format
VESA DisplayHDR True Black 500
N/A
Peak Brightness (HDR)
1,500 nits
N/A

Connectivity

Feature
LG UltraGear 39GX950B
Dell UltraSharp U5226KW
HDMI Ports
2
2
DisplayPort
1
2100% more
USB-C
Yes
Yes
Power Delivery
90 W
140 W56% more
USB Hub
Yes
Yes

Ergonomics

Feature
LG UltraGear 39GX950B
Dell UltraSharp U5226KW
Height Adjustment
Yes
Yes
VESA Mount
100 × 100 mm
100 × 100, 200 × 100, 200 × 200
Built-in Speakers
Yes
Yes
Dimensions (without stand)
92.14 × 40.5 × 11.87 cm
122.35 × 52.89 × 11.2 cm
Weight (without stand)
6.8 kg
12.96 kg
Release Date
April 1, 2026
January 6, 2026

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

Frequently Asked Questions

Common questions about LG UltraGear 39GX950B vs Dell UltraSharp U5226KW comparison

Based on our overall comparison score, LG UltraGear 39GX950B rates higher at 78/100 versus 65/100 for Dell UltraSharp U5226KW — a 13-point lead. LG UltraGear 39GX950B is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.
LG UltraGear 39GX950B and Dell UltraSharp U5226KW are compared side by side above across every spec in the monitors category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 78/100 for LG UltraGear 39GX950B and 65/100 for Dell UltraSharp U5226KW.
At launch, LG UltraGear 39GX950B was the more affordable option ($1800) versus Dell UltraSharp U5226KW ($2900). Weigh that against the overall scores (78/100 vs 65/100) and the value-for-money meter above to judge whether the higher-rated model justifies its price for your needs. Current retail prices vary — check the retailer.
If you want the higher-rated monitors option overall, LG UltraGear 39GX950B (78/100) edges out Dell UltraSharp U5226KW (65/100). But if Dell UltraSharp U5226KW is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.

Which would you buy?

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